I would like to monitor all and any Internet traffic from my home PC to see what programs installed on my home machine are accessing the Internet. I thought I could use Fiddler for this, but I noticed Firefox traffic doesn’t show up by default; you need to do some setup. What options do I…
Case:The virtual machine system is Windows, using the SQL Server database; using multiple ESX Server as a storage cluster. Among them, one ESX system was mistakenly deleted by an administrator. Solution:The engineer used the DD command to import the entire ESX Server storage into a single disk, and the original storage was only 1.4 T.The…
In order to repair the damage to the HDD supply chain from the 2011 Thailand floods as well as meet the increasing need for digital storage the hard disk drive industry must continue to make investments in capital equipment and production facilities. Future increases in HDD areal density as well as increasing unit sales will drive significant capital spending investments that will impact the revenues of companies such as Anelva, Hitachi High Technologies, Innovative Instruments, Intevac, KLA Tencor, Teradyne, Xyratex, Veeco, and many others in the next few years.
The 2012 Hard Disk Drive Capital Equipment and Technology Report provides 207 pages of in-depth analysis of technology developments and capital equipment spending to sustain the growth and development of the hard disk drive industry. Some highlights from the 2012 report include:
169% growth in HDD capital spending is expected from 2011 to 2016, driven by three factors: unit shipment increases of 167%, the introduction of new HDD technologies such as HAMR and the replacement and repair of equipment damaged in the 2011 Thailand floods.
Between CQ4 2011 and CQ4 2012 over $1 B in capital spending is expected to repair or replace equipment and facilities damaged in the Thailand floods.
HDD and component companies have more cash to invest in equipment and technology development in 2012 and 2013, due to higher drive demand, limited drive supply and higher HDD prices.
Total industry spending on capital equipment in 2012 is expected to be about $2.4 B with 72% of this spent on process equipment, 21% on production test and 7% on metrology.
Average HDD capital equipment spending per year between 2008 and 2016 is estimated at about 7.2% of HDD industry revenue, with this percentage increasing in the last years of this period due to new technology introductions.
HDD areal density has slowed to 20-25% annually but 3.5-inch HDDs with storage capacities of 12 TB and 2.5-inch HDDs with 6 TB are expected by 2016.
Lower AD growth will drive more components per drive and thus more capital spending on head and media production equipment in coming years.
Industry consolidation and recovery from the Thailand shortages will result in higher HDD prices than 2011 at least until 2014 and likely HDD prices will flatten out about 10-15% higher than in 2011—this will help fund expensive new technology transitions by 2015-2016 and increase areal density growth rates to 40+% CAGR.
The normal capital equipment cycle will likely be re-established by 2014. Capital purchases in 2014 and later will be driven by increasing unit demand (assumed 14% annual growth) as well as the introduction of heat assisted magnetic recording in 2015 and 2016.
The 2012 Hard Disk Drive Capital Equipment and Technology Report is now available from Coughlin Associates. To find out more about this report please see the brochure at http://www.tomcoughlin.com/techpapers.htm
Kilobyte (KB)
Usually, this is a unit of 1000 bytes. In the case of computer memory, which is partitioned into sizes that are a power of two, a kilobyte is equal to 2 10 or 1024 bytes.
HDD Printed circuit board (PCB) with board number 100513586 is usually used on these Seagate hard disk drives: The 100513586 Seagate PCB repair process can usually be divided into 2 steps: find a replacement PCB and firmware transfer. 100513586 Seagate PCB: Board Number Finding a donor Seagate PCB board is easy, you just need to…
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1. Linux Help Commands
apropos apropos keyword – Show all commands with the keyword in their description. The same as the “man -k” command.
help Bash shell help for the bash builtin command list. The help command gets help for a particular command.
man Get help from the manual for a command.
man man -k keyword – Show all commands with the keyword in their description
“man 2 kill” – Display page 2 of the kill command
manpath Determine user’s searchpath for manpages.
info Documentation on Linux commands and programs similar to the man pages but navigation is organized different.
2. Linux Job Management
at Similar to cron but run only once.
atq Lists the user’s pending jobs. If the user is the superuser, everybody’s jobs are listed.
atrm Deletes at jobs.
atrun Run jobs queued for later execution
batch Executes commands when system load levels drop below 0.8 or value specified in atrun invocation.
cron A deamon used to set commands to be run at specific times. Starts the commands in the crontab file. Used to clean up temporary files periodically in the /var/tmp and /tmp directories.
nice Run a program with modified scheduling priority.
nohup Run a command immune to hangups, with output to a non-tty.
watch Execute a program periodically showing output full screen.
3. Linux Process management
bg Starts a suspended process in the background
fg Starts a suspended process in the foreground
gitps A graphical process viewer and killer program.
jobs Lists the jobs running
kill Ex: “kill 34” – Effect: Kill or stop the process with the process ID number 34.
killall Kill processes by name. Can check for and restart processes.
pidof Find the process ID of a running program
ps Get the status of one or more processes. Options:
* u (more info)
* a (see all)
* -l (technical info)
Meanings:
* PPID-parent process ID
* PID-process ID
ps ax |more to see all processes including daemons
pstree Display the tree of running processes.
sa Generates a summary of information about users’ processes that are stored in the /var/log/pacct file.
skill Report process status.
snice Report process status.
top Display the processes that are using the most CPU resources.
CTRL-C Kills the current job.
& At the end of the command makes it run in the background.
How do I open a remote desktop session on a secondary monitor (in full-screen)? It always seems to want to open on the primary one and I cannot find a switch which lets me choose. Is there a known solution or workaround for this? Solution: I don’t know if this helps, but in my experience,…
Case:On January 20, 2016, a client sent an iPhone5S mobile phone. The customer used to recover the data of a mobile phone before. It is very important to our company.Because of the dispute between the customer, the text message in the mobile phone is a very important physical evidence, so find the data recovery center…
1. Freeware: Undelete Plus
2. Freeware: Undelete NOW!
3. Freeware: NTFS Undelete
4. Freeware: EASEUS Deleted File Recovery
5. Freeware: Smart Data Recovery Enterprise
6. Freeware: Recover Files
7. Freeware: DATA Unerase Personal Edition™
8. Freeware: Recuva – File Recovery
